2. Solved Papers
  3. BHU PMT

BHU PMT BHU PMT (Screening) Solved Paper-2007

  • question_answer
    Which one of the following has an open circulatory system ?

    A)  Pheretima                         

    B)  Periplaneta

    C)  Hirudinaria                        

    D)  Octopus

    Correct Answer: B

    Solution :

                     Circulatory system of cockroach (Periplaneta americand) is open or lacunar type. The blood flows through haemocoelic system.


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